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authorjam <jam@chromium.org>2016-02-10 15:45:40 -0800
committerCommit bot <commit-bot@chromium.org>2016-02-10 23:47:16 +0000
commitffaec53850a27fc0888998c98c7bb092ccbd8552 (patch)
tree665d5d9564497e52b6343f33eb9e6ef2636203d0 /extensions/common
parentac440714860679857517ac7dd4c6282acbfa4033 (diff)
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Add comments for struct members that were changed from size_t to uin32_t or uint64_t for IPC safety.
Also add a few checked_cast for places where we converted from size_t and we're sure that it's safe. BUG=581409 Review URL: https://codereview.chromium.org/1684793003 Cr-Commit-Position: refs/heads/master@{#374788}
Diffstat (limited to 'extensions/common')
-rw-r--r--extensions/common/stack_frame.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/extensions/common/stack_frame.h b/extensions/common/stack_frame.h
index b174ffc..a55b8d8 100644
--- a/extensions/common/stack_frame.h
+++ b/extensions/common/stack_frame.h
@@ -29,6 +29,9 @@ struct StackFrame {
bool operator==(const StackFrame& rhs) const;
+ // Note: we use uint32_t instead of size_t because this struct is sent over
+ // IPC which could span 32 & 64 bit processes. This is fine since line numbers
+ // and column numbers shouldn't exceed UINT32_MAX even on 64 bit builds.
uint32_t line_number;
uint32_t column_number;
base::string16 source;